Home / 12,725.06-19,085.42-3,365.18

Finding the Fourth Proportional to 12,725.06, 19,085.42 and 3,365.18

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Solution

The fourth proportional to 12,725.06, 19,085.42 and 3,365.18 is: 5,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725.06 : 19,085.42 = 3,365.18 : x
  2. Step 2: Convert to fraction form
    12,725.06/19,085.42 = 3,365.18/x
  3. Step 3: Cross multiply
    12,725.06x = 19,085.42 × 3,365.18
  4. Step 4: Simplify right side
    12,725.06x = 64,225,873.68
  5. Step 5: Solve for x
    x = 64,225,873.68/12,725.06
  6. Step 6: Final answer
    x = 5,047.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.